In his new book, Ron Reagan says he saw early signs of Alzheimer’s disease in his father, Ronald Reagan, while the late president was still in the White House. When he said as much on ABC‘s 20/20 last Friday (1/14/11), he infuriated many on the right, including his older brother Michael Reagan. Over the weekend, the older Reagan son took to Twitter, writing over the course of several messages, “My brother seems to want [to] sell out his father to sell books…. My father did not suffer from Alzheimer’s in the ’80s…. Ron, my brother, was an embarrassment to my […]